How to change FPS in Adobe Premiere:
Follow the steps below to change your FPS:
1. Select the clip(s) that you want to change
2. In the toolbar, go to Clip, select Modify and then Interpret Footage
3. Choose the 2nd box from the top (Assume this frame rate) and type in the frame rate you want your clip(s) to change to
4. Press OK, and you've done it!